/*
 * Copyright (C) 2014 Apple Inc. All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
 * THE POSSIBILITY OF SUCH DAMAGE.
 */

#import "config.h"
#import "WKNavigationActionInternal.h"

#if WK_API_ENABLED

#import "NavigationActionData.h"
#import "WKFrameInfoInternal.h"
#import <wtf/RetainPtr.h>

@implementation WKNavigationAction

static WKNavigationType toWKNavigationType(WebCore::NavigationType navigationType)
{
    switch (navigationType) {
    case WebCore::NavigationType::LinkClicked:
        return WKNavigationTypeLinkActivated;
    case WebCore::NavigationType::FormSubmitted:
        return WKNavigationTypeFormSubmitted;
    case WebCore::NavigationType::BackForward:
        return WKNavigationTypeBackForward;
    case WebCore::NavigationType::Reload:
        return WKNavigationTypeReload;
    case WebCore::NavigationType::FormResubmitted:
        return WKNavigationTypeFormResubmitted;
    case WebCore::NavigationType::Other:
        return WKNavigationTypeOther;
    }

    ASSERT_NOT_REACHED();
    return WKNavigationTypeOther;
}

#if PLATFORM(MAC)

// FIXME: This really belongs in WebEventFactory.
static NSEventModifierFlags toNSEventModifierFlags(WebKit::WebEvent::Modifiers modifiers)
{
    NSEventModifierFlags modifierFlags = 0;

    if (modifiers & WebKit::WebEvent::CapsLockKey)
        modifierFlags |= NSAlphaShiftKeyMask;
    if (modifiers & WebKit::WebEvent::ShiftKey)
        modifierFlags |= NSShiftKeyMask;
    if (modifiers & WebKit::WebEvent::ControlKey)
        modifierFlags |= NSControlKeyMask;
    if (modifiers & WebKit::WebEvent::AltKey)
        modifierFlags |= NSAlternateKeyMask;
    if (modifiers & WebKit::WebEvent::MetaKey)
        modifierFlags |= NSCommandKeyMask;

    return modifierFlags;
}

static NSInteger toNSButtonNumber(WebKit::WebMouseEvent::Button mouseButton)
{
    switch (mouseButton) {
    case WebKit::WebMouseEvent::NoButton:
        return 0;

    case WebKit::WebMouseEvent::LeftButton:
        return 1 << 0;

    case WebKit::WebMouseEvent::RightButton:
        return 1 << 1;

    case WebKit::WebMouseEvent::MiddleButton:
        return 1 << 2;

    default:
        return 0;
    }
}
#endif

- (void)dealloc
{
    _navigationAction->~NavigationAction();

    [super dealloc];
}

- (NSString *)description
{
    return [NSString stringWithFormat:@"<%@: %p; navigationType = %ld; request = %@; sourceFrame = %@; targetFrame = %@>", NSStringFromClass(self.class), self,
        (long)self.navigationType, self.request, self.sourceFrame, self.targetFrame];
}

- (WKFrameInfo *)sourceFrame
{
    if (API::FrameInfo* frameInfo = _navigationAction->sourceFrame())
        return wrapper(*frameInfo);
    return nil;
}

- (WKFrameInfo *)targetFrame
{
    if (API::FrameInfo* frameInfo = _navigationAction->targetFrame())
        return wrapper(*frameInfo);
    return nil;
}

- (WKNavigationType)navigationType
{
    return toWKNavigationType(_navigationAction->navigationType());
}

- (NSURLRequest *)request
{
    return _navigationAction->request().nsURLRequest(WebCore::DoNotUpdateHTTPBody);
}

#if PLATFORM(MAC)
- (NSEventModifierFlags)modifierFlags
{
    return toNSEventModifierFlags(_navigationAction->modifiers());
}

- (NSInteger)buttonNumber
{
    return toNSButtonNumber(_navigationAction->mouseButton());
}
#endif

#pragma mark WKObject protocol implementation

- (API::Object&)_apiObject
{
    return *_navigationAction;
}

@end

@implementation WKNavigationAction (WKPrivate)

- (NSURL *)_originalURL
{
    return _navigationAction->originalURL();
}

- (BOOL)_isUserInitiated
{
    return _navigationAction->isProcessingUserGesture();
}

- (BOOL)_canHandleRequest
{
    return _navigationAction->canHandleRequest();
}

- (BOOL)_shouldOpenExternalURLs
{
    return _navigationAction->shouldOpenExternalURLs();
}

@end

#endif